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Finding the Fourth Proportional to 86,744.74, 119,708.67 and 50,935.18

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Solution

The fourth proportional to 86,744.74, 119,708.67 and 50,935.18 is: 70,291.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,744.74 : 119,708.67 = 50,935.18 : x
  2. Step 2: Convert to fraction form
    86,744.74/119,708.67 = 50,935.18/x
  3. Step 3: Cross multiply
    86,744.74x = 119,708.67 × 50,935.18
  4. Step 4: Simplify right side
    86,744.74x = 6,097,382,654.01
  5. Step 5: Solve for x
    x = 6,097,382,654.01/86,744.74
  6. Step 6: Final answer
    x = 70,291.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.